128840268

素因数分解:

$2^2\times 3^1\times {\mathrm{257}}^1\times {\mathrm{41777}}^1$

素因数の和:42041

約数の個数: 24

約数和(自身を含む): 301804272

約数和(自身を除く): 172964004

約数列:

[1, 2, 3, 4, 6, 12, 257, 514, 771, 1028, 1542, 3084, 41777, 83554, 125331, 167108, 250662, 501324, 10736689, 21473378, 32210067, 42946756, 64420134, 128840268]

約数ペア:

[(1, 128840268), (2, 64420134), (3, 42946756), (4, 32210067), (6, 21473378), (12, 10736689), (257, 501324), (514, 250662), (771, 167108), (1028, 125331), (1542, 83554), (3084, 41777)]